Wrench.



J. SIPOS.

WRENCH. APPLICATION FILED N 0v.1e. 1909.

951 ,849. Patented M31315. 191:0.

i m AA\ WITNESSES: lNl/E/VTQI? d M ATTOHN r UNI STATES PATENT ole-From;

"iosnrn siros, OF SOUTH NORWALK, oonnnc'rronn WRENCH.

To all whom it *rna i amcer'n:

Be it known that I, J osErH SIPos, a subject of 'the King of Hungary,'and resident of South Norwalkyin the county of Fair- 5 field and State 'ofConnecticut, have in vented certain ne'w' and useful Improvements in renches, of which the following 1s a specification: I

The present invention relates to improvements in wrenches, and has for its object to provide a device of this character, the movable jaw of which can be quickly brought into any desired position relative to the fixed jaw of the same.

Another object of the invention is to provide'a simple and inexpensive wrench, the movable jaw of which is provided with a a locking means, coacting with means. operatively connected with the fixed jaw, which locking means can be easily disengaged from each other, whereby said movable jaw is adapted to be shifted to any predeter-- mined position and held there by engaging said cooperating locking means. v

With these and other objects in view, which will appear as the nature of the in- '-vention is better understood, the same consists in the combination, construction and arrangement of partshereinafter fully described, pointed out in theappended claims and illustrated in the accompanying drawings, in which Figure 1," is a side elevation partly in sec- .tion of a wrench constructed in accordance ,withothe present invention, Fig. 2 is a side l -elevation of the same, and Fig. 3 is a view ;"s'imilj; 1r to Fig. 1, the locking means of the movable jaw being disengaged from its cog means upon the stem of the wrench. Iii the drawings, the numeral 4 denotes the stem of the wrench, carrying upon one of its ends the fixed jaw 5 of the usual construction and of any suitable dimensions. The other end of the stem is provided with a handle 6, made, preferably, of wood and attached to said stem by any suitable means. The stem is usually rectangular in cross section to prevent the rotation of the movable with a plurality of parallel teeth, which do Specificationoi Letters Patent.

ed to mesh with the rack-10.

- jaw '7 thereon, which latter is provided with Patented Mar.

Application filed November 18, 1909. Serial No. 528,704. 3

not extend through the whole length of the sides of the stem, whereby ridges 11, '11 are formed upon said side, which contact'with the walls of the holes in the movable wedge of the wrench. In the movable jaw is provided .a recess 12, in which is slidably arranged a block 13, provided with teeth 14- upon its front face, which teeth areadapt- Resilient members l5, l5, fastened to .the movable jaw 7 and engaging pins 16, 16 upon the block 13, tend to disengage'the teeth of said block from said rack, or in other words tend to move said block toward the wall'l7 of the recess 12. Upon'the rear face'of the block 14: are provided notches 18, 18,"adapted to be engaged by the lugs 19, 19 of an actuating member 20, arranged in the recess 12 and protruding through a hole 21, which leads from said recess through the lower wall of the movable jaw, and being provided outside of said jaw with a knob 22,

attached to said operating member in any suitable manner. Theoperating member 20 is provided with a pocket 23, in which is arranged a flat spring member 24, having a nose. 25, adapted to engage the depressions 2G or 27, respectively, in the wall'lT .of the recess 12. More particularly, the said nose engages the depression 26'when the operating member 20 is in its upper position, as

shown in Fig. 1, and takes into the recess 27 when in its lower position, shown in Fig. 3 of the drawings. The operating member is, of course, held in these positions by the spring 24, but can be easlly shifted from one into the other position by force.

The operation of the device is as follows: When the operating member is shifted-into its lower position, illustrated in Fig. 3' of the drawings, the nose 25 of the spring 24 will engage the depression 27 in the rear.

wall of the recess 12, whereby the lugs 19 upon said operating member will come in alinement with the notches 18 in the block 18. The springs 15 are thus left free to-act, forcing thereby the block backward and (11sengaging thus the teeth of the same from the rack 10. The movable jaw can thus be shifted to any desired position upon the stemfi. When the operating member is forced t o'1ts upper ositlon, the lugs 19, 15? are disengaged rom the notches 18, 18 in the block 13, and act then upon therear face of the block, forcing the'same against the o ration of the springs 15 toward the rac 10,

causing-the teeth of said block to mesh with the rack, whereby the movable jaw is held in a fixed position inasmuch as the operating the wall 17.

It will be observed that 'many minor changes'may be'made in the construction and arrangement of the several parts of the de-v vice withoutdeparting from the spirit orscope of the invention; for instance,- while herein a articular construction is shown and descri ed to shift the block 13, it will be observed that any other suitable means could be employed, .or instead of the teeth of the rack and'the block, projections or lugs of suitable configuration could be made use of.

What I claim is 1. In a wrench, the combination with a stem, of a fixed jaw thereon, a movable jaw slidably arranged upon said stem, a rack upon one side of said stem, a block provided with teeth ada ted to. mesh with said rack loosely mounte upon said movable jaw and having notches in one of its faces, an actuating member provided with lugs adapted to force said block into engagement with said rack when said lugs are-disenga ed from said notches,'and resilient means 3 or disengaging said block from said rack when said actuating member is shifted so that its lugs .are adapted to enter the notches of said block. v 1

' 2. In a wrench, the combination with a stem, of a fixed jaw thereon, a movable jaw slidably arranged upon -said stem, a rack upon one sideof said stem, a block provided with teeth adapted to mesh with said rack loosely mounted upon said movable jaw and having notches in one of its faces, an actuating member provided with lugs adapted to force said block into engagement with said rack when said lugs are disengaged from said vnotches, resilient means for disengaging said blockfrom said rack when said actuating bar is shifted so that itslugs are adapted to enter the notches of said block, and means for keeping the lugs of said actuating member in or out ofengagement with-the notches of said block at will.

Signed at South Norwalk, in the county of F airfield and State of Connecticut this 11th day of'November; A, D. 1909.

. JOSEPHSIPOS.

)Vitnesses:

HERMAN Qn'rr'risnn, J AMES PAUL. 

